import { login, logout, getInfo } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { resetRouter } from '@/router'

let Base64 = require("js-base64").Base64;

const getDefaultState = () => {
  console.log('reset state :>> ');
  return {
    token: getToken(),
    name: '',
    avatar: ''
  }
}

const state = getDefaultState()
state.address = {
  prefix:"http://",
  ip:"127.0.0.1",
  port:8080
}

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ADDRESS: (state, address) => {
    Object.assign(state.address, address)
    // console.log('state.address :>> ', state.address);
  }
}

const actions = {
  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo
    return new Promise((resolve, reject) => {
      login({ username: username.trim(), password: password }).then(response => {
        const { data } = response
        console.log('response :>> ', response);
        
        const auth = username.trim()+":"+password;
        const token = "Basic " + Base64.encode(auth);
        commit('SET_TOKEN', token)
        setToken(token)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      getInfo(state.token).then(response => {
        const { data } = response

        if (!data) {
          return reject('Verification failed, please Login again.')
        }

        const { name, avatar } = data

        commit('SET_NAME', name)
        commit('SET_AVATAR', avatar)
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({ commit, state }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  },
  address({ commit }, address) {
    return new Promise(function(resolve, reject){
      let {prefix, ip, port} = address
      console.log('address store:>> ', parseInt(port));
      if ((prefix != "http://" && prefix != "https://") || ip.length == 0 || !parseInt(port)) {
            reject("服务器地址格式错误");
          } else {
            commit('SET_ADDRESS', address)
            resolve()
          }
    });
  },
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

